| Ii Naomune | |
| Office: | Head of Ii clan |
| Native Name Lang: | 井伊 直宗 |
| Predecessor: | Ii Naohira |
| Succeeded: | Ii Naomori |
| Allegiance: | Imagawa clan |
| Unit: | Ii clan |
| Death Date: | February 13, 1542 |
| Children: | Ii Naomori |
was a Japanese samurai from the Sengoku period who served the Imagawa clan. He was the son of Ii Naohira.
Ii Naomune was from Tōtōmi, but became a vassal of Imagawa. He followed his father as the head of the household. He participated in a Mikawa Kuni Tahara Castle attack in 1542 and was killed in action.[1] Ii Naomori of the child inherited a trace.